<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>404 - 页面不存在</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', sans-serif;
        }

        body {
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
            color: #1e293b;
            padding: 2rem;
            text-align: center;
        }

        .container {
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            max-width: 800px;
            margin: 0 auto;
        }

        h1 {
            font-size: clamp(3rem, 10vw, 6rem);
            color: #3b82f6;
            margin-bottom: 1rem;
            text-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }

        h2 {
            font-size: clamp(1.5rem, 3vw, 2.5rem);
            margin-bottom: 1.5rem;
        }

        p {
            font-size: 1.1rem;
            color: #64748b;
            margin-bottom: 2.5rem;
        }

        .btn {
            display: inline-block;
            background-color: #3b82f6;
            color: white;
            padding: 0.8rem 2rem;
            border-radius: 9999px;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
        }

        .btn:hover {
            background-color: #2563eb;
            transform: translateY(-2px);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
        }

        footer {
            margin-top: 3rem;
            padding: 1.5rem 0;
            color: #94a3b8;
            font-size: 0.9rem;
        }

        /* 动画效果 */
        .float {
            animation: float 3s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="float">
            <h1>404</h1>
        </div>
        <h2>页面不存在</h2>
        <p>你访问的页面好像去了外太空，可能是链接有误或者页面已被移除。</p>
        <a href="/#/" class="btn">
            <i class="fa fa-home mr-2"></i>返回首页
        </a>
    </div>
    <footer>
        <p>© 2024-2025 APS. 保留所有权利.</p>
    </footer>
</body>
</html>
